Labeling machine gluepot



Jan. 14, 1941. E. M. sxM-s I LABELING MACHINE GLUEPOT Filed Feb. 20, 1940 Fr Guam 1 Patented Jan. 14, 1941 UNITED STATES PATENT 2,228, 78 LABELING MACHINE GLUEPOT. Edgar M. Sims, San Jose, Calif. Application February 20, 1940, Serial No. 319,893

4. Claims.

The present invention relates particularly to means for'placing label pick-up glue on a rolling can. Q

In the canning industry it is common practice 5 to apply labels to the cans by rolling the cans over a gluepot where dabs of glue are placed thereon, then causing each rolling can to pick up a label by one edge by means of said glue, and finally wrapping the label around the can and m sealing the opposite edge of the label over the The means for applying the glue to the cans in the operation above outlined has heretofore been a very unsatisfactory one. because it does not deposit the proper amount of glue on the can in the correct form to secure the best results. This is partly, but not wholly, due to thefactthe commercial can is not perfectly cylindrical, the formation of the seam along the side of the can preventing the formation of a true cylinder. Furthermore, many cans are slightly dented or otherwise deformed so that a fixed glue applying means can not be depended upon to operate perfectly at all times, placing little or no glue in indentations and placing too much glue on elevated surfaces, when such surfaces register with the glue-applying devices.

When a can fails to receive glue through the failure of the glue applying device to properly contact it, it does not, of course, pick upa label and must be removed and sent through the machine again. If insumcient glue is applied the label pick-up is not positive and the result is obvious. If too much glue is applied neither the pick-up nor the positioning of the label is positive. And if too much glue is applied, or if the glue is not applied in the proper form, that is in the proper formation on the can, it will extend beyond the edge of the label to which it is 40 applied with the result that it will be absorbed by the single thickness of the overlying label and disfigure the visible surface of the same.

It is, therefore, one object of the present invention to provide a device of the character indicated that will place the desired arrangement,

form, and quantity of glue on a rolling can, regardless of any imperfections that may exist in its surface.

It is also an object of the invention to provide means of the character indicated that will be economical to manufacture, simple in form and construction, that consists of few parts, that will be strong, durable, positive in operation, and highly eficient in its practical application.

In the drawing:

OFFICE Figure 1 is a plan view of a device embodying my invention, a part being Figure 2 is a sectional Figure 1.

Figure 3' is an enlarged sectional view of the" broken away. view on line 2-2 of glue-applying member and its cooperating parts.

Referring now In ing, I show at I a ore particularly to the drawgluereceptacle supplied with heated liquid glue through an orifice 2' in its bottom communicating Glue is maintained ceptaole l by maint with a supply chamber 3." at a desired height in reaining a similar height in the stand-pipe 4 connected to the supply chamber by passage 5 At 6 is shown a walls of the receptacle shaft journaled in the side at l and rotated continually through the medium of a pulley and gear drive from a power Since it is common of glue to each can,

source not shown.

practice to apply three spots and to arrange these spots in axis of rotation of the can,

glue-applying units suitably spaced on shaft 6; but since these units are identical in every respe in detail.

ct, one only will be described 0 resting on the bottom of receptacle l and its other end projecting angularly upward above the top level of the receptacle into the path of travel of the cans, as indicated at l I. of the end I0 is suificient to normally arm or lever in the free and easy swinging movement a rolling can bears The weight position the yet permit a thereof when position shown,

against the end At I2 is shown a double gear secured to the shaft 6 to rotate therewith by means of a pin an annular groove groove is formed an tric with the shaft the gear are indicated diameter greater shouldered portions I4. gear [2 must be such that always be immersed in the ceptacle.

At I6 is a small This gear is turned down centrally to form than double gear journaled in the lever 9 as at I! with its teeth meshing with the teeth of gear l2. ber 16 is circular its trunnions ll, than that of the 'quently will rotate I5 in close pro-ximit The central portion of memin form and concentric with and has a diameter greater toothed portions, and consebetween the toothed portion y to shoulders l4 but not contacting the same. near the top edge of the lever 9, and is so positioned that a rolling can will first contact the surface l8, this contact being instantly. followed by contact with the end ll of lever 9.

The several levers 9 are positioned on shaft 6 by means of spacers as l9, and since the gears are placed within slots as 20 in the levers, they are assembled by threading the spacers, levers and gears on the shaft as it is inserted in the receptacle.

It may now be understood that when a can rolls along the track 2| the body thereof will move on a plane as 22 until it reaches and. contacts the surface l8 of gear 5. But this contact is instantly followed by contact with the point ll of lever 9. The moment the can makes this latter contact it operates to turn the lever on its fulcrum 6, and consequently the contact of the can with surface I8 is immediately broken. In-this operation the upper edge of the lever 9 passes through some such position as 9a to the position 9b, in which latter position the can passes completely over the end II and the lever is permitted to return to its original position.

Since gear I2 is power actuated it is continually moving through the body of glue in the receptacle l, and is picking up and carrying glue on-its surface throughout its complete revolution. Again, since the gear I! is in mesh with gear l6 it follows that gear I6 is positively rotated, and since this gear rotates the surface l8 in close proximity of shoulders HI it acquires a film of glue therefrom. When the can contacts the surface l8 it receives aspot of glue that is just right in quantity and that is not spread over the can.

Although but one specific embodiment of the invention has been illustrated and described, it will be understood that various alterations in the details of construction and mode of assembly and operation may be made without departing from the, scope of the invention as indicated in the appended claims.

I claim: 1. A device of the character described com- This small gear 15 is mounted prising, a liquid glue receptacle, a shaft journaled thereon, an arm journaled on the shaft to swing in a vertical plane, means operative to yieldingly support one end of the arm above the top level of the receptacle and in the path of travel of a can rolling thereover, a roller journaled on the arm in a position to contact the can in advance of the arm, and a glue transfer wheel mounted on the shaft to rotate therewith and constructed and arranged to pick up glue in the receptacle and deposit it on the roller. I

2. A device of the character described comprising, a liquid glue receptacle, a driven shaft journaled therein, an arm journaled on the shaft to swing in a vertical plane, means operative to yieldingly support the arm in angular relation to the path of travel of a can passing thereover with the free end of the arm extending above the top level of the receptacle to lie in the path of travel of a can rolling thereover, a glue applying roller journaled on the arm in a position to contact the can in advance of the arm, and a glue transfer wheel mounted on the shaft to rotate therewith and constructed and arranged to pick up glue from the receptacle and deposit it on the roller.

3. A device of the character described comprising, a glue receptacle, a driven shaft journaled therein, an overbalanced arm mounted on the shaft to swing in a vertical plane with one end normally disposed in the path of travel of a can rolling thereover, a geared wheel journaled on the arm and disposed to contact the can in advance of the arm end, and a geared wheel mounted on the shaft to rotate therewith and meshing with said first geared wheel whereby to rotate said first geared wheel and convey glue thereto.

4. The structure set forth in claim 3 wherein the geared wheel on the driven shaft has a shoulder formed thereon in concentric relation to its axis, and the geared wheel journaled on the arm has a portion of greater diameter than its toothed portion and disposed to rotate in close proximity to the said shoulder to receive glue therefrom.

EDGAR M. SIMS. 

